ORLANDO, Fla., Jan. 29 (UPI) --Scientists in Florida have confirmed what some citrus growers suspected for years -- that oak trees could inhibit citrus greening disease, which has brought the once ...

University of Florida post-grad researcher Lukas Hallman suspected oak trees could have beneficial antimicrobial compounds, but he only began testing them after an oak tree fell down in the hurricane.

Make good use of live oak leaves By Calvin R. Finch / Special to the Express-News April 1, 2011 HOME AND GARDEN ORGANIC GARDENING Common household items that can be used for organic gardening.

Agricultural officials are asking those across Southern California to follow their tips this summer in hopes of keeping the disease at bay ...

The disease is called huanglongbing or HLB — more commonly known as citrus greening. It has decimated groves in Asia, Brazil, the Dominican Republic and Florida, and is now spreading in California.

A tree affected by citrus greening may not show symptoms for years. Eventually, however, the leaves turn yellow and fall, while the tree's fruit fails to mature, falling to the ground prematurely ...

Signs of HLB disease include general tree decline, asymmetrical leaf yellowing, and bitter-tasting fruit. Overall leaf yellowing can be caused by any number of nutritional deficiencies, but HLB ...

Greening, along with development pressure, has cut the amount of productive citrus land almost in half from its peak, to 437,000 acres. In Sarasota County, acreage in citrus has dropped from 1,684 ...

Master Gardener Laura Simpson gives advice this week on how to reduce the spread of citrus greening disease. Skip to content. All Sections. Subscribe Now. 63°F. Wednesday, June 25th 2025 ...